{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment", "Treatment.Duration", "Subject.Disorder", "Combination.Drug", "Treatment.Route", "Subject.Age", "Subject.Race", "Treatment.Drug", "Treatment.Disorder", "Treatment.Time_elapsed", "Subject", "Subject.Population", "Treatment.Dosage", "Subject.Gender", "Effect"]}], "input": "All changes disappeared 4 months after the discontinuation of VAD chemotherapy, which further pointed out towards adriamycin and vincristine as possible etiologic agents."}
{"adverse event": [{"Treatment": "adriamycin and vincristine", "Treatment.Duration": "NAN", "Subject.Disorder": "NAN", "Combination.Drug": ["vincristine", "adriamycin"], "Treatment.Route": "NAN", "Subject.Age": "NAN", "Subject.Race": "NAN", "Treatment.Drug": ["vincristine", "adriamycin"], "Treatment.Disorder": "NAN", "Treatment.Time_elapsed": "NAN", "Subject": "NAN", "Subject.Population": "NAN", "Treatment.Dosage": "NAN", "Subject.Gender": "NAN", "Effect": "All changes"}]}